Identification and characterization of Cercospora malayensis causing leaf spot on kenaf

Sung Hee Park; In Young Choi; Wang Hyu Lee; Kui Jae Lee; Victor Galea; Hyeon Dong Shin

doi:10.5941/MYCO.2017.45.2.114

Identification and characterization of Cercospora malayensis causing leaf spot on kenaf

Sung Hee Park, In Young Choi, Wang Hyu Lee, Kui Jae Lee, Victor Galea, Hyeon Dong Shin

Division of Environmental Science and Ecological Engineering

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

In September 2013 and 2014, a significant number of kenaf plants showing symptoms of leaf spots with approximately 50% incidence were found in experimental plots in Iksan and Namwon, Korea. Leaf spots were circular to irregular, more or less vein-limited, reaching to 10 mm in diameter. The spots were initially uniformly brown to reddish brown, turning pale brown with a purplish margin and showing grayish patches on the lesion due to heavy fructification. The causative agent of the leaf spot disease was identified as Cercospora malayensis. The pathogenicity test was conducted with similar results, which fulfilled Koch's postulates. This is the first report of C. malayensis infection of kenaf in Korea.

Original language	English
Pages (from-to)	114-118
Number of pages	5
Journal	Mycobiology
Volume	45
Issue number	2
DOIs	https://doi.org/10.5941/MYCO.2017.45.2.114
Publication status	Published - 2017 Jun 1

Keywords

Cercospora malayensis
Hibiscus cannabinus
Kenaf
Leaf spot
Multigene phylogenetic analysis

ASJC Scopus subject areas

Microbiology
Infectious Diseases

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.5941/MYCO.2017.45.2.114

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title = "Identification and characterization of Cercospora malayensis causing leaf spot on kenaf",

abstract = "In September 2013 and 2014, a significant number of kenaf plants showing symptoms of leaf spots with approximately 50% incidence were found in experimental plots in Iksan and Namwon, Korea. Leaf spots were circular to irregular, more or less vein-limited, reaching to 10 mm in diameter. The spots were initially uniformly brown to reddish brown, turning pale brown with a purplish margin and showing grayish patches on the lesion due to heavy fructification. The causative agent of the leaf spot disease was identified as Cercospora malayensis. The pathogenicity test was conducted with similar results, which fulfilled Koch's postulates. This is the first report of C. malayensis infection of kenaf in Korea.",

keywords = "Cercospora malayensis, Hibiscus cannabinus, Kenaf, Leaf spot, Multigene phylogenetic analysis",

author = "Park, {Sung Hee} and Choi, {In Young} and Lee, {Wang Hyu} and Lee, {Kui Jae} and Victor Galea and Shin, {Hyeon Dong}",

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AU - Choi, In Young

AU - Lee, Wang Hyu

AU - Lee, Kui Jae

AU - Galea, Victor

AU - Shin, Hyeon Dong

N1 - Publisher Copyright: © The Korean Society of Mycology.

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N2 - In September 2013 and 2014, a significant number of kenaf plants showing symptoms of leaf spots with approximately 50% incidence were found in experimental plots in Iksan and Namwon, Korea. Leaf spots were circular to irregular, more or less vein-limited, reaching to 10 mm in diameter. The spots were initially uniformly brown to reddish brown, turning pale brown with a purplish margin and showing grayish patches on the lesion due to heavy fructification. The causative agent of the leaf spot disease was identified as Cercospora malayensis. The pathogenicity test was conducted with similar results, which fulfilled Koch's postulates. This is the first report of C. malayensis infection of kenaf in Korea.

AB - In September 2013 and 2014, a significant number of kenaf plants showing symptoms of leaf spots with approximately 50% incidence were found in experimental plots in Iksan and Namwon, Korea. Leaf spots were circular to irregular, more or less vein-limited, reaching to 10 mm in diameter. The spots were initially uniformly brown to reddish brown, turning pale brown with a purplish margin and showing grayish patches on the lesion due to heavy fructification. The causative agent of the leaf spot disease was identified as Cercospora malayensis. The pathogenicity test was conducted with similar results, which fulfilled Koch's postulates. This is the first report of C. malayensis infection of kenaf in Korea.

KW - Cercospora malayensis

KW - Hibiscus cannabinus

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KW - Multigene phylogenetic analysis

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Identification and characterization of Cercospora malayensis causing leaf spot on kenaf

Abstract

Keywords

ASJC Scopus subject areas

UN SDGs

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